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s390/dasd: fix inability to set a DASD device offline
authorStefan Haberland <stefan.haberland@de.ibm.com>
Thu, 2 Apr 2015 10:27:25 +0000 (12:27 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 15 Apr 2015 10:23:50 +0000 (12:23 +0200)
Fix ref counting for DASD devices leading to an inability to set a
DASD device offline.
Before a worker is scheduled the DASD device driver takes a reference
to the device. If the worker was already scheduled this reference was
never freed.
Fix by giving the reference to the DASD device free when
schedule_work() returns false.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd.c patch | blob | history
drivers/s390/block/dasd_eckd.c patch | blob | history

diff --cc drivers/s390/block/dasd.c
Simple merge
diff --cc drivers/s390/block/dasd_eckd.c
Simple merge
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